Mailinglist Archive: opensuse (882 mails)

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[opensuse] Re: Remote Firefox via ssh
  • From: Joachim Schrod <jschrod@xxxxxxx>
  • Date: Mon, 13 Dec 2010 20:01:44 +0100
  • Message-id: <ie5qip$vib$1@xxxxxxxxxxxxxxx>
John Andersen wrote:

This just seems wrong on so many levels.
That a remote session could even know that there was a local session running
is a bit of a worry.

This is called ICC (Inter-Client Communication) in X parlor, the
respective manual (ICCCM) is often called the most important, least
read and least understood of all X protocol specifications.

Just ssh somewhere, with X forwarding, and call xlsclients. It will
list all running applications that have a window open on your X
server. And every connected application will see every other
application that's also connected to that X server and be able to
communicate with it.

That does not mean that other users on that remote system will see
your applications. The applications that *you* call while *you*
have a connection to that X server active sees them. (Though the
realization is not terribly secure -- root on the remote system can
connect, too.)

That's how network-transparent copy&paste is implemented, for
example. (For proper C&P, apps must be able to communicate to
bargain over supported and needed representions and encodings.)

Joachim

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Joachim Schrod Email: jschrod@xxxxxxx
Roedermark, Germany

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